Which departure time was most reliable for IND to ATL?
Among qualifying IND-to-ATL departure window results, Early morning had the highest on-time rate: 92.7% of 930 flights. Evening was lowest at 80.4% across 541 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 930 | 92.7% | 4.0% | 1.1% |
| Late morning | 663 | 91.4% | 3.8% | 2.4% |
| Afternoon | 1,052 | 82.6% | 10.5% | 1.0% |
| Evening | 541 | 80.4% | 12.4% | 1.1% |
Which weekday was most reliable for IND to ATL?
Among qualifying IND-to-ATL weekday results, Wednesday had the highest on-time rate: 90.0% of 418 flights. Monday was lowest at 82.7% across 510 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 510 | 82.7% | 10.4% | 1.2% |
| Tuesday | 426 | 89.4% | 6.6% | 0.5% |
| Wednesday | 418 | 90.0% | 6.5% | 0.5% |
| Thursday | 473 | 89.4% | 4.7% | 0.4% |
| Friday | 506 | 86.8% | 7.7% | 1.0% |
| Saturday | 384 | 85.9% | 8.1% | 2.9% |
| Sunday | 470 | 85.5% | 8.3% | 3.0% |
Which airline was most reliable for IND to ATL?
Among qualifying IND-to-ATL airline results, Delta Air Lines had the highest on-time rate: 89.2% of 2,710 flights. Frontier Airlines was lowest at 63.8% across 141 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 2,710 | 89.2% | 6.2% | 1.4% |
| Southwest Airlines | 328 | 79.3% | 10.7% | 0.0% |
| Frontier Airlines | 141 | 63.8% | 24.8% | 2.1% |
| Spirit Airlines | 7 | 71.4% | 28.6% | 0.0% |
| American Airlines | 1 | 100.0% | 0.0% | 0.0% |
Which month was most reliable for IND to ATL?
Among qualifying IND-to-ATL month results, September 2025 had the highest on-time rate: 94.6% of 278 flights. December 2025 was lowest at 76.2% across 256 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 303 | 83.5% | 9.9% | 0.3% |
| August 2025 | 294 | 87.8% | 6.8% | 1.7% |
| September 2025 | 278 | 94.6% | 2.9% | 0.0% |
| October 2025 | 295 | 91.5% | 4.1% | 0.3% |
| November 2025 | 249 | 87.6% | 6.8% | 2.0% |
| December 2025 | 256 | 76.2% | 16.4% | 1.2% |
| January 2026 | 245 | 84.1% | 8.6% | 4.9% |
| February 2026 | 230 | 86.1% | 7.8% | 0.4% |
| March 2026 | 260 | 82.7% | 9.6% | 1.9% |
| April 2026 | 256 | 90.6% | 5.1% | 1.6% |
| May 2026 | 257 | 87.5% | 7.0% | 1.6% |
| June 2026 | 264 | 90.9% | 5.7% | 0.4% |
What drove IND to ATL delay minutes?
Late aircraft was the largest recorded IND-to-ATL delay category, accounting for 43.9% of 26,066 BTS-attributed delay minutes during July 2025–June 2026.
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